DescriptionChecking the Deep Well (8361572422).jpg
SAULT SAINTE MARIE, Mich -- Standing between two 350 hp 30 inch pumps, two workers look into the deep well. There are "deep wells" below the Administration and Davis Buildings. Extending 100 feet below ground level, these wells are deeper than the locks. Gravity causes the water to drain into the wells when the valves are open and the pumps remove it, much like a sump pump in a home - only on a much larger scale. (U.S. Army Corps of Engineers photo by Michelle Hill)
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